\begin{tabular}{l*{2}{c}} \hline\hline
                &\multicolumn{1}{c}{(1)}&\multicolumn{1}{c}{(2)}\\
                &\multicolumn{1}{c}{leakage}&\multicolumn{1}{c}{emissions}\\
\hline
Treatment       &    11.31&    30.17\\
                &   (5.95)&  (18.48)\\
log(1 + baseline venting)&     0.65&     3.23\\
                &   (1.00)&   (7.08)\\
Treatment * log(1+base. venting)&     0.28&     2.38\\
                &   (2.98)&   (8.42)\\
Constant        &     5.03&    31.03\\
                &   (1.74)&  (13.36)\\
\hline
\hline R\textsuperscript{2}&     0.03&     0.07\\
Observations    &       52&       52\\
\hline\hline
\end{tabular}
